Let h(x) = 8x-3
what is h(5)?
a. 40
b. 37
c. 43
d. 45

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap